Disable xfs on avr32, it has been failing the build for at least a month

SVN-Revision: 31153

package/kernel/modules/fs.mk

@@ -361,7 +361,7 @@ define KernelPackage/fs-xfs
   SUBMENU:=$(FS_MENU)
   TITLE:=XFS filesystem support
   KCONFIG:=CONFIG_XFS_FS
-  DEPENDS:= +kmod-fs-exportfs
+  DEPENDS:= +kmod-fs-exportfs +!TARGET_avr32
   FILES:=$(LINUX_DIR)/fs/xfs/xfs.ko
   AUTOLOAD:=$(call AutoLoad,30,xfs,1)
 endef